#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>
int main()
{
    int a = 0;
    int b = 0;
    scanf("a=%d,b=%d", &a, &b);
    int temp = a;
    a = b;
    b = temp;
    printf("a=%d,b=%d\n", a, b);

    return 0;
}